Hemizonia leucocephala Tanowitz

  • Filed As

    Asteraceae
    Hemizonia leucocephala Tanowitz ( isotype )

  • Collector(s)

    H. M. Hall 10236, 22 Jul 1916

  • Location

    United States of America. California. Marin Co. 6 miles northwest of San Rafael.

  • Habitat

    Upper Sonoran Zone.

  • Description

    Occupies an area of several acres to almost complete exclusion of Hemizonia lutescens, but along borders occur evident hybrids with pale-yellow ligules. These plants always ahve longer upper bracts than neighboring ones with yellow flowers. Even the white-flowered plants are very glandular, much more so than inplants grown in garden from seed gathered here in 1915. [Also on this label: a table of number of flowers per head, length and width and length of involucral bracts.]. Phenology of specimen: Flower.

  • Specimen Notes

    This specimen is cancelled ex DS.

  • Identifiers

    NY Barcode: 179267

    Occurrence ID: 6bb36c9c-79fd-4153-bf7b-ec606daff0c8

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  • Region

    North America

  • Country

    United States of America

  • State/Province

    California

  • County/Municipio

    Marin Co.

  • Locality

    6 miles northwest of San Rafael

  • Coordinates

    38.035, -122.609

  • Coordinate Uncertainty (m)

    11174

  • Georeferencing Method

    GEOLocate Web Application. Used GEOLocate Web Application (batch client) to georeference locality with high precision.

  • Geodetic Datum

    WGS84

  • Distribution

    Map all specimens of this taxon

OCR Text not available.